import datetime

from django.test import TestCase

# Create your tests here.
from django.urls import reverse
from django.utils import timezone

from polls.models import Question


class QuestionModelTests(TestCase):
	def test_was_published_recently_with_future_question(self):
		"""was_published_recently() returns False for questions whose pub_date
		is in the future."""
		time = timezone.now() + datetime.timedelta(days=10)
		future_question = Question(pub_date=time)
		self.assertIs(future_question.was_published_recently(), False)

	def test_was_published_recently_width_old_question(self):
		"""was_published_recently() returns False for questions whose pub_date is
		older than 1 day."""
		time = timezone.now() - datetime.timedelta(days=1, seconds=1)
		old_question = Question(pub_date=time)
		self.assertIs(old_question.was_published_recently(), False)

	def test_was_published_recently_with_recent_question(self):
		"""
		was_published_recently() returns True for questions whose pub_date
		is within the last day.
		"""
		time = timezone.now() - datetime.timedelta(hours=23, minutes=59, seconds=59)
		recent_question = Question(pub_date=time)
		self.assertIs(recent_question.was_published_recently(), True)


def create_question(question_text, days):
	time = timezone.now() + datetime.timedelta(days=days)
	return Question.objects.create(question_text=question_text, pub_date=time)


class QuestionIndexViewTests(TestCase):
	def test_no_questions(self):
		response = self.client.get(reverse('polls:index'))
		self.assertEqual(response.status_code, 200)
		# import logging
		# logging.warning(response)
		# self.assertContains(response, text="no")
		self.assertQuerysetEqual(response.context['latest_question_list'], [])

	def test_past_question(self):
		"""
		Questions with a pub_date in the past are displayed on the
		index page.
		"""
		create_question(question_text="Past question.", days=-30)
		response = self.client.get(reverse('polls:index'))
		self.assertQuerysetEqual(
			response.context['latest_question_list'],
			['<Question: Past question.>']
		)

	def test_future_question(self):
		"""
		Questions with a pub_date in the future aren't displayed on
		the index page.
		"""
		create_question(question_text="Future question.", days=30)
		response = self.client.get(reverse('polls:index'))
		# self.assertContains(response, "No polls are available.")
		self.assertQuerysetEqual(response.context['latest_question_list'], [])

	def test_future_question_and_past_question(self):
		"""
		Even if both past and future questions exist, only past questions
		are displayed.
		"""
		create_question(question_text="Past question.", days=-30)
		create_question(question_text="Future question.", days=30)
		response = self.client.get(reverse('polls:index'))
		self.assertQuerysetEqual(
			response.context['latest_question_list'],
			['<Question: Past question.>']
		)

	def test_two_past_questions(self):
		"""
		The questions index page may display multiple questions.
		"""
		create_question(question_text="Past question 1.", days=-30)
		create_question(question_text="Past question 2.", days=-5)
		response = self.client.get(reverse('polls:index'))
		self.assertQuerysetEqual(
			response.context['latest_question_list'],
			['<Question: Past question 2.>', '<Question: Past question 1.>']
		)


class QuestionDetailViewTests(TestCase):
	def test_future_question(self):
		"""The detail view of a question with a pub_date in the future
	  returns a 404 not found."""
		future_question = create_question(question_text='Future question', days=6)
		url = reverse('polls:detail', args=(future_question.id,))
		response = self.client.get(url)
		self.assertEqual(response.status_code, 404)

	def test_past_question(self):
		"""The detail view of a question with a pub_date in the past
    displays the question's text."""
		past_question = create_question(question_text='Past Question.', days=-5)
		url = reverse('polls:detail', args=(past_question.id,))
		response = self.client.get(url)
		self.assertContains(response, past_question.question_text)
